diff options
Diffstat (limited to 'hw/virtio/vhost.c')
| -rw-r--r-- | hw/virtio/vhost.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c index 386aef85be..338e4395b7 100644 --- a/hw/virtio/vhost.c +++ b/hw/virtio/vhost.c @@ -27,6 +27,7 @@ #include "hw/virtio/virtio-access.h" #include "migration/blocker.h" #include "sysemu/dma.h" +#include "trace.h" /* enabled until disconnected backend stabilizes */ #define _VHOST_DEBUG 1 @@ -329,6 +330,7 @@ static uint64_t vhost_get_log_size(struct vhost_dev *dev) static struct vhost_log *vhost_log_alloc(uint64_t size, bool share) { + Error *err = NULL; struct vhost_log *log; uint64_t logsize = size * sizeof(*(log->log)); int fd = -1; @@ -337,7 +339,12 @@ static struct vhost_log *vhost_log_alloc(uint64_t size, bool share) if (share) { log->log = qemu_memfd_alloc("vhost-log", logsize, F_SEAL_GROW | F_SEAL_SHRINK | F_SEAL_SEAL, - &fd); + &fd, &err); + if (err) { + error_report_err(err); + g_free(log); + return NULL; + } memset(log->log, 0, logsize); } else { log->log = g_malloc0(logsize); @@ -687,6 +694,7 @@ static void vhost_region_add(MemoryListener *listener, return; } + trace_vhost_region_add(dev, section->mr->name ?: NULL); ++dev->n_mem_sections; dev->mem_sections = g_renew(MemoryRegionSection, dev->mem_sections, dev->n_mem_sections); @@ -706,6 +714,7 @@ static void vhost_region_del(MemoryListener *listener, return; } + trace_vhost_region_del(dev, section->mr->name ?: NULL); vhost_set_memory(listener, section, false); memory_region_unref(section->mr); for (i = 0; i < dev->n_mem_sections; ++i) { @@ -743,6 +752,8 @@ static void vhost_iommu_region_add(MemoryListener *listener, return; } + trace_vhost_iommu_region_add(dev, section->mr->name ?: NULL); + iommu = g_malloc0(sizeof(*iommu)); end = int128_add(int128_make64(section->offset_within_region), section->size); @@ -771,6 +782,8 @@ static void vhost_iommu_region_del(MemoryListener *listener, return; } + trace_vhost_iommu_region_del(dev, section->mr->name ?: NULL); + QLIST_FOREACH(iommu, &dev->iommu_list, iommu_next) { if (iommu->mr == section->mr && iommu->n.start == section->offset_within_region) { @@ -1361,10 +1374,6 @@ void vhost_dev_cleanup(struct vhost_dev *hdev) if (hdev->mem) { /* those are only safe after successful init */ memory_listener_unregister(&hdev->memory_listener); - for (i = 0; i < hdev->n_mem_sections; ++i) { - MemoryRegionSection *section = &hdev->mem_sections[i]; - memory_region_unref(section->mr); - } QLIST_REMOVE(hdev, entry); } if (hdev->migration_blocker) { |